40246047 has 24 divisors (see below), whose sum is σ = 62856560. Its totient is φ = 24727680.

The previous prime is 40246039. The next prime is 40246049. The reversal of 40246047 is 74064204.

It is not a de Polignac number, because 40246047 - 2³ = 40246039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40246047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40246049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3147 + ... + 9507.

Almost surely, 2^40246047 is an apocalyptic number.

40246047 is a deficient number, since it is larger than the sum of its proper divisors (22610513).

40246047 is a wasteful number, since it uses less digits than its factorization.

40246047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423 (or 6420 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 40246047 is about 6343.9772225316. The cubic root of 40246047 is about 342.6949805309.

The spelling of 40246047 in words is "forty million, two hundred forty-six thousand, forty-seven".